Datavideo 4K RT Chromakeyer

£1,849.00 Ex VAT


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Introducing the Datavideo DVK-400 (DVK400) 4K Real-time Chromakeyer, the ultimate tool for creating seamless and professional chroma key effects. With its advanced algorithm, this device can handle even the most difficult chroma key scenes, including blonde hair, smoke, and reflective shadows, for a natural and realistic result.

Featuring 4K real-time chromakeying with 4:4:4 10-bit internal processing, the DVK-400 is compatible with 3840 x 2160 4K signals, delivering a professional and high-quality chroma key effect. It also offers easy spill suppression and color enhancement for a perfect blend of foreground and background.

Controlling the DVK-400 is a breeze, with the option to operate locally using a laptop or remotely over an IP network. Its simple UI design and easy-to-use control app make it accessible for anyone to achieve professional results. Plus, with the ability to store and recall up to 3 sets of parameters, switching between different chroma key settings has never been easier.

But that’s not all, the DVK-400 also offers a range of advanced features such as key noise reduction, matte control for precise chroma key settings, and post-processing options for adjusting picture parameters like brightness, contrast, and saturation. It even supports 12G-SDI 60P video for ultra-high definition output.

With the DVK-400, you can achieve the perfect chroma key effect with just one press of a button. Its auto key function takes the hassle out of complicated settings and allows for a quick and professional result. And for added creativity, the background blur function allows you to easily create a depth of field effect for a more professional and vivid look.

1x DVK-400 Chromakeyer
1x Adaptor + AC Cord
4x M5 screws
1x Thank You Card

4K Real-time chromakeyer

DVK-400 is an advanced 4K chromakey device which is easy to operate and delivers excellent results.

The device can be controlled locally using a directly attached laptop or remotely over an IP network. Fitting into HDMI and SDI-based live environments, the DVK-400 supports up to UHD resolutions with easy spill suppression, colour enhancement

DVK-400 4K Chromakey Supports 4:4:4 10-bit Internal Processing

DVK-400 is compatible with the 3840 x 2160 4K signal to provide a professional real-time chromakey effect.

DVK-400 Digital Algorithm Technology

The DVK-400 can handle the most difficult chromakey scenes including blonde hair, a glass of water / a bottle of water, smoke, and reflective shadow simply for showing delicate and real chromakey effect.


After setting all the chromakey parameters, you can still adjust each video parameter like brightness, contracts, colour, and saturation to combine the foreground and the background perfectly.

Supports 12G-SDI 60P Video

Supports up to 2160p60 over 12G-SDI or HDMI 2.0.

Intelligent Matte Control and Auto Spill Adjusting

The Matte precision chromakey setting allows you to adjust the profile of the object easily. The automatic spill adjusting function allows you to eliminate the reflective background colour from the foreground object easily.

Preview Output for the Mirroring

The DVK-400 provides preview output for the mirroring for the subject to see the real-time composite picture to prevent the frame-out from happening. Moreover, it allows the subject to act more naturally according to the background.

Simple UI Design and Easy to Use

Easy to use the DVK-400 control app works on Windows computers. Connecting the DVK- 400 goes with a regular network connection and then you can set the chromakey related parameters and recall the pre-saved chromakey parameter file by connecting the DVK-400 to the Notebook PC through the IP connection.

Still Enhance Function

It can enhance the dark edges of the object to provide more detailed results.

Auto Chromakey by Pressing One Button without Complicated Adjusting.

The Auto key function helps you achieve professional chromakey effects, without any complicated settings, even when you don’t have the standard green or blue background.

Background Blur Function

The background blur function allows you to create the Depth of field effect easily to become more professional and more vivid. (HD only)
Video Standard 4K/3G/HD
Video Process 4:4:4 10bit
Video Format 3840x2160p 60/59.94/50/30/29.97/25
1080p 60/59.94/50/30/29.97/25
1080i 60/59.94/50
Foreground Inputs 1 x 12G/6G/3G-SDI
1 x HDMI 2.0
Background Inputs 1 x HDMI 2.0
Loop Through 1 x 12G/6G/3G-SDI Camera loop out
AUX Input 1 x HDMI 1.4
(Lumakey Overlay or External Matte or Camera)
Video Output 2 x 12G/6G/3G-SDI
1 x HDMI 2.0
Video PVW Output 1 x 12G/6G/3G-SDI
1 x HDMI 2.0
Keying Options Chromakey Green / Blue
Key Mask / Spill Correction / Edge Correction Yes
Colour Processor Yes
User Preset 8
GPI In / Out N/A
Sync Reference Input & Loop Output (Tri-Sync or Black Burst)
Controlled Via Ethernet/RS-232
Chassis 1RU 19″ Rack-mount Design
Dimension (LxWxH) 484 x 243 x 44 mm
Weight 2.7 Kg
Operating Temp. Range 0~40 °C
Power DC in 7~15V
4K Real-time chromakeyer with 4:4:4 10-bit internal process
Easy operation and control via LAN connection to laptop
Advanced algorithm can present transparency, smoke, reflection and shadow in detail
Easy spill suppression with colour enhancement
Full Foreground post processing for getting nature composite result with Background
Multiple HDMI and SDI outputs for Program and Preview with mirror option
Store / Recall : 3 sets of instant switchable parameters (by Control s/w)
Key noise reduction
Matte control to adjust black and white level for a precise chroma key setting to delete the reflective colour from foreground
Dark/Bright/Shadow enhancement
Post processing – correction of picture parameters (brightness, contrast, saturation) applied on foreground signal after keying processing
Garbage Mask with soft edge
Auto Chroma Key function
Mirror PGM output




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